File ".../lib/python3.10/ipaddress.py", line 1195, in _ip_int_from_string
return int.from_bytes(map(cls._parse_octet, octets), 'big')
File ".../crosshair/libimpl/builtinslib.py", line 4627, in _int_from_bytes
realize(len(b))
File ".../crosshair/libimpl/builtinslib.py", line 4509, in _len
raise TypeError(f"object of type '{name_of_type(type(ls))}' has no len()")
TypeError: object of type 'map' has no len()
found via Hypothesis CI for https://github.com/HypothesisWorks/hypothesis/pull/4034, it looks like
int.from_bytes
should accept any iterable: